Semiconductor laser including periodic structures with different periods for producing a single wavelength of light
US5386433A · kind A · utility
6Cited by
6References
2Claims
0Family size
Assignee
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Key dates
| Filing date | May 10, 1993 |
| Grant date | Jan 31, 1995 |
| Priority date | — |
| Expiry date | May 10, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/1215
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A single wavelength oscillating semiconductor laser device having at least two diffraction gratings in an active region in which the order of a first diffraction grating disposed in the center of the laser is higher than that of a second diffraction grating disposed in the neighborhood of resonator facets.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.